STUDIES BY X-RAY ABSORPTION SPECTROMETRY (XAS) OF THE LOCAL ORDER AT THE ZIRONIUM THRESHOLD IN AN -AL2O3 LAYER DEVELOPED BY OXIDATION AT HIGH TEMPERATURE ON AN ALLOY FECR22AL5

Authors

  • M. K. Loudjani Université Paris-Saclay, Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 (CNRS), Equipe Synthèse, Propriétés et Modélisation des Matériaux (SP2M), Bât 410, Bur. 350, Rue du Doyen Georges Poitou 91405 Orsay Cedex - FRANCE

DOI:

https://doi.org/10.53555/eijse.v5i1.113

Keywords:

XAS, a-alumina, Zr-doped, oxidation, FeCr22Al5 alloy, Oxydation, FeCr22Al5, doped a-Al2O3, Zr-implantation

Abstract

In this work, we present X-ray absorption spectrometry (XAS) results concerning the local environment of the zirconium dopant at the two interfaces of a layer of a-alumina developed by oxidation on a Zr-pre-implanted FeCr22Al5 alloy.

References

. A.M. Huntz, , "The role of active elements in the oxidation behaviour of high temperature metals and alloys", Ed. E. Lang, Elsevier Applied Science, (1989), 81-109.

. M.K. Loudjani, J. C. Pivin, C. Roques Carmes, P. Lacombe and J. H. Davidson "Corrosion of Fe/ Ni/ Cr/ Al and Fe/ Cr/ Al alloy in H2/H2S/H2O mixtures at 1200°C" Met. Trans. A, 13, (1982), 1299-1311.

. J. Balmain, M.K. Loudjani, A.M. Huntz,: "Microstructural and diffusion aspects of the growth of alumina scale on -NiAl" Mat. Sc. & Ing A 224 (1997) 87-100.

. M. K. Loudjani, J. Roy, A.M. Huntz et R. Cortes "Study by Extended X-Ray Absorption Fine Structure technique and microscopy of the chemical state of yttrium in polycristalline -alumina". Amer Ceram. Soc. 68, 11, (1985), 559-562.

. M.K. Loudjani, A.M. Huntz, R. Cortès “Influence of Yttrium on Microstructure and point Defect in -Al2O3 Relation with Oxidation”. J. of Materiel Science: 28 (1993) 6466-6473.

. M.K. Loudjani, R. Cortès "Study of Local Structure around Zirconium ions in Grain Boundaries of Polycrystalline Alumina by X-Ray Absorption Spectroscopy and Chemical Analysis of Thin Foils" J. Eur. Ceram. Soc. 19 (1999) 2659-66.

. D.E. Sayers, E. W. Lytle and E. A Ster; Phy. rev. Let., 27, 4836 (1975)

. B.K. Teo and P.A. Lee” Ab Initio calculation amplitude and phase functions for Extend X-ray Absorption Fine Structure Spectroscopy”. J. Am. Chem. Soc. 100, 2815-32 (1979).

Downloads

Published

2019-03-27

Issue

Vol. 5 No. 1 (2019): EPH - International Journal of Science And Engineering (ISSN: 2454 - 2016)

Section

Articles

License

Copyright (c) 2019 EPH - International Journal of Science And Engineering (ISSN: 2454 - 2016)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.